集装箱半自动拉索吊具20尺和40尺 :

　　1. 适合用于ISO标准集装箱；2.旋锁装置无需人工拉索既可实现旋锁动作;3.安装简单方便，大大节省了从吊钩起重到集装箱起重的转换时间。

　　Semi-Automatic Stay Rope Container Spreaders in 20 feet and 40 feet:

　　a) It is suitable to ISO standards container.

　　b) Twist lock structures can finish the twist lock movement without manual rope.

　　c) Simplicity and convenience of spreader installation allow concerting from hook crane into container crane in a short time.